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An In-Depth Look Back The Conversations People Had About Car Key Fob Repair 20 Years Ago
Car Key Fob Repairs

Key fobs today do a lot more than simply unlock and start vehicles. However, the added complexity could add up to expensive repair costs when one of them fails.

It's important to know that a majority of fobs are powered by flat-watch-style batteries that can be replaced at home. It is possible that a simple reset will allow your fob to function again.

Battery Replacement

A dead battery is the most common cause of the fob's key not working. It's a simple repair and worth a try before you invest in an alternative fob. You can purchase the new button cell at a local auto part retailer or hardware store if you have one. You can also refer to your owner's manual (or in the case that you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions on opening and replacing the battery on the particular type of fob.

Most fobs come with two halves that snap together- you'll need to gently pry the sides apart to get to the battery. You'll typically need a small screwdriver or another tool with a thin, flat blade. It may be helpful to look for a groove along the lower edge of the fob that you can put your tool in between. It is also advisable to watch for tiny pieces that may come loose while you work.

Once you have the new battery, insert it the same way that you removed the old one. The positive (+) side should be facing the buttons and the negative (-) the marks on the battery compartment.

Press a button to test the fob. If it doesn't work, there may be a problem with your car that needs to be repaired or replaced by a professional.

Certain key fobs require specific tools to open and close them, and the contacts inside can be fragile and easily corroded. In these cases, a car specialist or the dealer will likely be the best choice. If you're in need of replacing a battery, try to be very gentle and follow the instructions specifically in the owner's manual. You may be able to locate a battery similar in a big-box store or discounter, but make sure to check the owner's manual to make sure that it's compatible with your vehicle.

Replacing the Internal Key

The majority of key fobs have the physical key mechanical that is hidden within the fob to prevent thieves. When the battery in the fob dies, it leaves an internal key blank that can unlock doors and trunks (and in some cases start certain cars). A majority of people don't realize that they can save a trip to a dealership by replacing the fob batteries. The flat watch-style batteries are used in most modern fobs. These batteries can be found at hardware stores and auto parts stores. It is important to use the correct type of battery. A bad battery can damage the electronic circuitry, which can cause the fob to fail much faster.

If you change the battery and find the problem persists it could be a sign something else is wrong in your vehicle. Go through the owner's manual to determine if you have a reset procedure that will bring the fob back to factory-setup. If this doesn't work, you'll have go to a dealer or a shop independent that specializes in security systems for vehicles and key fob programming.

Fobs can also malfunction because of faulty transmitter receivers. They are usually found near the steering wheel or in the dashboard. They transmit signals to allow you to unlock your car and start it with the fob. You may have to move closer to the car to make it work.

A professional might have to open the case to replace the transmitter. A simple screwdriver will usually get the job done however some fobs come with complicated release mechanisms that require a special tool or equipment that is available only through a dealer. It's best to have a qualified mechanic perform this task so you don't break the fob or cause injury to yourself.

Reprogramming the Key

Often a non-functional key fob just requires a new battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, it's an excellent first step prior to buying a new car key fob.

Alternatively, you may be able to program the fob yourself by following some basic steps. This process varies between vehicle brands, so it's essential to consult your owner's manual as well as research the specifics of your particular model. One key fob might require the ignition to be switched on when programming. One key fob could require the key to be inserted multiple times.

The general procedure is very simple. First, make sure that the new battery is firmly in place. Then, get in the driver's seat and close all doors, excluding the driver's side door. This will ensure that the new key fob is communicating with the vehicle properly. Put the old key in the ignition and turn it ON but do not start the engine. Then press the lock button on the fob, while making sure to point it towards the transmission receiver, which is typically situated on the front of the vehicle above the mirror. Within a short time frame the key will announce to the vehicle that it's been programmed by triggering the doors' locks or emitting the sound of a chime. This can be a tricky procedure, so pay attention to timing and don't over-press the button.

If the key fob does not work try reprogramming it using new batteries. If the issue persists then a visit to the dealer of your vehicle or locksmiths should be considered. A professional locksmith will have the tools and equipment to reprogram the car fob or create a new one if necessary.

Genesky says he's able to program newer fobs at around $200-$250, based on the car. However, he's had to turn down customers who have European models due to the fact that they don't have the costly equipment required. Most aftermarket fobs can be programmed, but always consult your local car dealer to determine the price.


How to get a new fob

If your key fob cannot be fixed, you could need to buy a new one. Based on the make and model, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive option for a fob replacement However, they'll have the necessary tools and software to program your vehicle correctly. For a more affordable option, a number of independent locksmiths can provide you with an entirely new car key fob for a much more reasonable cost.

It's a good idea to try to reset your current device before you rush out to buy a new one. The owner's manual will outline the proper procedure for reset, which is usually just pushing a few buttons which restores it to factory programming.

It's an excellent idea to review the owner's manual and warranty information before deciding which place to go for a key fob replacement. If your vehicle's warranty is still in effect or you have an auto club or insurance policy that covers bumper to bumper, you may qualify for a reimbursement on the cost of replacing the fob.

Finding the best location to purchase a fob can be difficult. It is possible to go to the dealer for this service if you are driving a brand new car and you want peace of mind knowing that your key fobs work correctly. If you're seeking a less expensive alternative, it is possible to find a locksmith that will offer the same service at less cost.

If you're not comfortable doing this type of work on your own A professional locksmith could be a great option. They are equipped and trained to replace or reprogram keys for cars of all types and do it quickly. A locksmith can also come to your office or home which is a great option for many. key fob repairs can cut and program keys on the spot in case you've lost them. This is great for those who do not want to leave their vehicle without a key.

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